Friday, December 12, 2014

Computing Organization And System Maintenance - Question Paper of BCA 1st Year April 2013 - Panjab University

Panjab University Chandigarh

Computing Organization And System Maintenance


Paper : BCA 1st Year
Time : 3 Hrs.
M.Marks : 90

Note : Attempt five questions in all. Select one question each from Sections A-D. section E is compulsory.

Section - A


1. (a) How the stored-program concept is implemented with Von-Neumann architecture ? Also explain the feature of his architecture.            9
(b) Explain various micro-operations that can be carried out with Registrar Transfer Language. 9

2. (a) Why flip-flops are used ? Explain J-K flip in detail.         9
(b) Explain Decoders and encoders with suitable examples           9

Section - B

3. (a) Explain strobe based and handshake based communication thorugh example.    9
(b) Detail out the various stage, hazard and methods to remove diagram.          9

4. (a) How data is transfered in DMA ? Explain through functional diagram.       9
(b) Explain CPU organization in detail.           9

Section - C


5. (a) Explain memory organization of a computer system.                     9
(b) Compare and contrast machine and assembly language.                    9

6. (a) Explain the importance of Associative and cache memories with suitable examples. 9

(b) Write an assembly language program for integer multiplication.

Scction - C

7. (a) Which activities are carried - out and why, while physical inspection of a PC ?   9
(b) Explain various peripherals used in a PC.                                 9

8. (a) Give functional description of various cards of a PC.                    9
(b) How a computer is detected for viruses and can be protected from viruses ?. Explain    9

Section - D


9. Explain :
(a) Diagnostics on PC
(b) Software Installation
(c) Floating representation in assembly Language
(d) I/O Programming in Assembly Language
(e) Counters
(f) Multiplexers                                                                      9*2= 18

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